Primetime Ratings: 'Big Brother' Thursday Debut Down

CBS and Fox tied for the Thursday win with an overall 1.6rating/5 share with adults 18-49, according to Nielsen overnight numbers.

CBS (which had more overall viewers with 6 million) premiered Big Brotherin its Thursday 9 p.m. time slot, which was even with Wednesday at a 2.0, butdown 23% from last summer's Thursday premiere.

Fox's Hell's Kitchen was down a tenth from two weeksago in its new 9 p.m. time slot to a 2.0.

NBC was in third with a 1.0/3. The official premiere of TheWinner Is... drew a 1.0 at 9 p.m., down 47% from its preview lastmonth, which aired out of The Voice's performance finale. HollywoodGame Night won the 10 p.m. time slot with a 1.3 in its premiere and 4.1million total viewers.

ABC returned its lineup from a week off to series and seasonlows, finishing in fourth with a 0.9/3. Wipeout fell 10% to a series-low0.9, while Motive also dropped 11% its own series low of 0.8. RookieBlue returned down 17% to a season-low 1.0.